Home / 90,777,286.32-125,268,288.12-49,521,718.32

Finding the Fourth Proportional to 90,777,286.32, 125,268,288.12 and 49,521,718.32

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Solution

The fourth proportional to 90,777,286.32, 125,268,288.12 and 49,521,718.32 is: 68,337,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,777,286.32 : 125,268,288.12 = 49,521,718.32 : x
  2. Step 2: Convert to fraction form
    90,777,286.32/125,268,288.12 = 49,521,718.32/x
  3. Step 3: Cross multiply
    90,777,286.32x = 125,268,288.12 × 49,521,718.32
  4. Step 4: Simplify right side
    90,777,286.32x = 6,203,500,878,707,243
  5. Step 5: Solve for x
    x = 6,203,500,878,707,243/90,777,286.32
  6. Step 6: Final answer
    x = 68,337,588.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.